Year Percent 2005-01-01 0.074387000000000000 2006-01-01 0.089532000000000000 2007-01-01 0.053776000000000000 2008-01-01 0.076538000000000000 2009-01-01 0.106775000000000000 2010-01-01 0.076498000000000000 2011-01-01 0.480523000000000000 2012-01-01 0.044420999999999995 2013-01-01 0.110316000000000010 2014-01-01 0.067565000000000000